Table 3.

Fetal catecholamine concentrations

Period	Saline		Blocker
	Baseline	Hyperglycemic	Baseline	Hyperglycemic
Control epinephrine, pg/ml	60.3 ± 11.8	78.2 ± 19.1	75.9 ± 8.7	75.2 ± 12.8
IUGR epinephrine, pg/ml	163.5 ± 31.7*	152.1 ± 52.6	1847 ± 856*	2332 ± 1134*
Control norepinephrine, pg/ml	570 ± 86	1171 ± 287	1090 ± 226	1683 ± 444
IUGR norepinephrine, pg/ml	3264 ± 614*	3518 ± 1084*	6758 ± 1802*	11558 ± 3430*

Values are means ± SE.

^*Significant differences, P < 0.05, in catecholamine concentrations for Control vs. IUGR fetuses in their respective study periods.